-c.content.notifications = 'ask'
-config.set('content.notifications', True, '*://*.gitlab.com/*')
-config.set('content.notifications', True, '*://*.google.com/*')
+c.content.notifications.enabled = 'ask'
+config.set('content.notifications.enabled', True, '*://*.gitlab.com/*')
+config.set('content.notifications.enabled', True, '*://*.google.com/*')